Question

A ball bearing is shaped like a sphere and has a diameter of 2.5 centimetres. What is the volume contained inside the ball bearing? Use 3.14 for pi. Round your answer to the nearest hundredth. (4 points)
8.18 cubic centimeters
7.15 cubic centimeters
7.08 cubic centimeters
6.89 cubic centimeters

Answer 1

\[\frac{ 2.5 }{ 2 } = ?\]
@Kpop4life123

Answer 2

1.25?

Answer 3

That is correct...

Answer 4

Volume of a Sphere formula: \[V = \frac{ 4 }{ 3 } \pi r ^3\]

Answer 5

i dont actually know how to do this?

Answer 6

Now just substitute: \[V = \frac{ 4 }{ 3 } \times 3.14 \times 1.25^3\]

Answer 7

oh ok wait let me try it

Answer 8

Ok

Answer 9

8.18?

Answer 10

That is correct

Answer 11

thanks ! :)

Answer 12

No problem =)